@misc{indiciaee80290e63574,
  title = {RXJ0440.9+4431: a Persistent Be-x-ray Binary in Outburst},
  author = {Ferrigno, C. and Farinelli, R. and Bozzo, E. and Pottschmidt, K. and Klochkov, D. and Kretschmar, P.},
  year = {2013},
  url = {https://ntrs.nasa.gov/citations/20140013214},
  note = {Source identifier: 20140013214}
}